package pipelines

import (
	"github.com/stretchr/testify/assert"
	"testing"
)

func TestDeserializeOptionsResizeImage(t *testing.T) {
	const Payload string = `{
		"name": "example pipeline",
		"type": 0,
		"removeMetadata": false,
		"steps": [
			{
				"name": "resize image",
				"type": 0,
				"options": {
					"width": 1280,
					"height": 720,
					"upscale": false
				}
			}
		]
	}`

	t.Run("Image pipeline deserialization is successful", func(t *testing.T) {
		values := DeserializePipelines([][]byte{[]byte(Payload)})

		_, err := values[0].GetSteps()[0].GetExecutable()

		assert.Equal(t, nil, err)
	})
}

func TestDeserializeOptionsCompressImage(t *testing.T) {
	const Payload string = `{
		"name": "example pipeline",
		"type": 0,
		"removeMetadata": false,
		"steps": [
			{
				"name": "compress image",
				"type": 1,
				"options": {
					"quality": 80
				}
			}
		]
	}`

	t.Run("Image pipeline deserialization is successful", func(t *testing.T) {
		values := DeserializePipelines([][]byte{[]byte(Payload)})

		_, err := values[0].GetSteps()[0].GetExecutable()

		assert.Equal(t, nil, err)
	})
}

func TestDeserializeMissingOptions(t *testing.T) {
	const Payload string = `{
		"name": "example pipeline",
		"type": 0,
		"removeMetadata": false,
		"steps": [
			{
				"name": "resize image",
				"type": 0
			}
		]
	}`

	t.Run("Image pipeline deserialization is successful", func(t *testing.T) {
		values := DeserializePipelines([][]byte{[]byte(Payload)})

		_, err := values[0].GetSteps()[0].GetExecutable()

		assert.EqualError(t, err, "unexpected end of JSON input")
	})
}

func TestLoadingImage(t *testing.T) {
	const Payload string = `{
		"name": "example pipeline",
		"type": 0,
		"removeMetadata": false,
		"steps": [
			{
				"name": "resize image",
				"type": 0
			}
		]
	}`

	t.Run("Loading image from filesystem to pipeline is successful", func(t *testing.T) {
		values := DeserializePipelines([][]byte{[]byte(Payload)})

		_, err := values[0].GetSteps()[0].GetExecutable()

		assert.EqualError(t, err, "unexpected end of JSON input")
	})
}